Interesting that you would suggest that, however, the S500 has narrower aspect tires on it.
And welcome back! Do you have the BMW back, or is your signature out of date? Dan > On Nov 4, 2014, at 12:16 PM, Donald Snook via Mercedes > <mercedes@okiebenz.com> wrote: > > Dan P. Wrote: > > "That being said, my S420 consistently gets better mileage than the S500, > by at least 1-2 mpg. And the S500 is a coupe versus the S420 being a sedan. > I assume there is a difference in curb weight between the two. The average > fuel mileage on the S420 is 19.2 mpg, while the S500 is 17.1 mpg. The > records for the S420 are only from September of this year, while the S500 > records are close to two year total. > > I keep very detailed fuel records, so I have a high level of confidence in > my statements. I would add that both cars are in the same condition and are > very close in mileage (267k) although the S420 is three years newer than > the S500. Not sure how, if at all, that would come into play." > > > Could it be something as simple as the tires on the 420? Are they similar > tires? Less rolling resistance on the 420? > > Don Snook > 2000 BMW 740iL 212K > 2006 Cadillac SRX (her car) > 1992 Ford F-150 146K > _______________________________________ > http://www.okiebenz.com > > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > > All posts are the result of individual contributors and as such, those > individuals are responsible for the content of the post. The list owner has > no control over the content of the messages of each contributor. _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com All posts are the result of individual contributors and as such, those individuals are responsible for the content of the post. The list owner has no control over the content of the messages of each contributor.
